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annotate nodejs/shapes.cc @ 1222:03daff2d939c

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author Thinker K.F. Li <thinker@codemud.net>
date Thu, 06 Jan 2011 09:37:24 +0800
parents df6ee4568ca2
children
rev   line source
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
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2 // vim: sw=4:ts=8:sts=4
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3 #include <v8.h>
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4 #include "mbfly_njs.h"
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5
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6 #include <string.h>
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7
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8 extern "C" {
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9 #include <mb.h>
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10 }
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11
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12 #ifndef ASSERT
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13 #define ASSERT(x)
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14 #endif
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15
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16 #define OK 0
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17
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18 using namespace v8;
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19
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20 /*! \defgroup xnjsmb_shapes JS binding for shapes.
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21 * \ingroup xnjsmb
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22 *
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23 * @{
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24 */
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25 /*! \brief This function is called when GC collecting a shape.
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26 *
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27 * It was installed by Persistent<Object>::MakeWeak().
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28 */
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29 static void
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30 xnjsmb_shape_recycled(Persistent<Value> obj, void *parameter) {
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31 Persistent<Object> *self_hdl = (Persistent<Object> *)parameter;
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32 Handle<Object> js_rt;
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33 redraw_man_t *rdman;
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34 shape_t *shape;
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35
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36 shape = (shape_t *)UNWRAP(*self_hdl);
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37 if(shape == NULL)
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38 return;
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39
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40 WRAP(*self_hdl, NULL);
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41
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42 js_rt = GET(*self_hdl, "mbrt")->ToObject();
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43 rdman = xnjsmb_rt_rdman(js_rt);
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44 rdman_shape_changed(rdman, shape);
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45 rdman_shape_free(rdman, shape);
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46
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47 self_hdl->Dispose();
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48 delete self_hdl;
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49 }
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50
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51 static void
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52 xnjsmb_shape_mod(Handle<Object> self, shape_t *sh) {
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53 Persistent<Object> *self_hdl;
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54 static int count = 0;
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55
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56 /* Keep associated js object in property store for retrieving,
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57 * later, without create new js object.
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58 */
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59 self_hdl = new Persistent<Object>();
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60 *self_hdl = Persistent<Object>::New(self);
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61 mb_prop_set(&sh->obj.props, PROP_JSOBJ, self_hdl);
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62
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63 self_hdl->MakeWeak(self_hdl, xnjsmb_shape_recycled);
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64
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65 /* XXX: should be remove. It is for trace recycle of shape */
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66 count++;
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67 if(count > 10000) {
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68 V8::LowMemoryNotification();
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69 count = 0;
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70 }
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71 }
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72
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73 static void
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74 xnjsmb_sh_stext_set_text(shape_t *sh, Handle<Object> self,
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75 const char *txt) {
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76 Handle<Object> rt;
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77 redraw_man_t *rdman;
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78
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79 sh_stext_set_text(sh, txt);
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80
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81 /*
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82 * Mark changed.
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83 */
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84 rt = GET(self, "mbrt")->ToObject();
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85 ASSERT(rt != NULL);
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86 rdman = xnjsmb_rt_rdman(rt);
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87
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88 if(sh_get_coord(sh))
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89 rdman_shape_changed(rdman, sh);
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90 }
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91
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92 /*! \brief Set style blocks for a stext object from JS.
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93 *
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94 * A style block is style setting of a chip of text. It is a 3-tuple,
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95 * includes number of charaters, a font face, and font size. This
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96 * function need a list of 3-tuples to set style of text chips of the
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97 * stext.
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98 */
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99 static void
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100 xnjsmb_sh_stext_set_style(shape_t *sh, Handle<Object> self,
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101 Handle<Value> blks, const char **err) {
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102 Array *blksobj;
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103 Array *blkobj;
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104 mb_style_blk_t *mb_blks;
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105 int nblks;
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106 Handle<Object> rt;
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107 redraw_man_t *rdman;
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108 int r;
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109 int i;
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110
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111 blksobj = Array::Cast(*blks);
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112 nblks = blksobj->Length();
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113 mb_blks = new mb_style_blk_t[nblks];
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114 for(i = 0; i < nblks; i++) {
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115 blkobj = Array::Cast(*blksobj->Get(i));
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116 mb_blks[i].n_chars = blkobj->Get(0)->ToInt32()->Value();
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117 mb_blks[i].face = (mb_font_face_t *)UNWRAP(blkobj->Get(1)->ToObject());
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118 mb_blks[i].font_sz = blkobj->Get(2)->ToNumber()->Value();
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119 }
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120
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121 r = sh_stext_set_style(sh, mb_blks, nblks);
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122 if(r != 0) {
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123 *err = "Unknown error";
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124 return;
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125 }
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126
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127 /*
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128 * Mark changed.
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129 */
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diff changeset
130 rt = GET(self, "mbrt")->ToObject();
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diff changeset
131 ASSERT(rt != NULL);
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132 rdman = xnjsmb_rt_rdman(rt);
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133
688
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134 if(sh_get_coord(sh))
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diff changeset
135 rdman_shape_changed(rdman, sh);
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136
683
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137 delete mb_blks;
564
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138 }
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139
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140 static Handle<Value>
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141 xnjsmb_shape_stroke_width_get(Handle<Object> self, shape_t *sh,
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142 const char **err) {
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143 float stroke_width;
564
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144
683
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145 stroke_width = sh_get_stroke_width(sh);
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146 return Number::New(stroke_width);
564
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147 }
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148
683
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149 static void
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diff changeset
150 xnjsmb_shape_stroke_width_set(Handle<Object> self, shape_t *sh,
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151 Handle<Value> value, const char **err) {
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152 float stroke_width;
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153 Handle<Object> rt;
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154 redraw_man_t *rdman;
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155
683
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156 stroke_width = value->Int32Value();
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diff changeset
157 sh_set_stroke_width(sh, stroke_width);
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158
570
49e79253b6d3 Functions of setting/getting stroke width of a shape
Thinker K.F. Li <thinker@branda.to>
parents: 569
diff changeset
159 /*
49e79253b6d3 Functions of setting/getting stroke width of a shape
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160 * Mark changed.
49e79253b6d3 Functions of setting/getting stroke width of a shape
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diff changeset
161 */
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162 rt = GET(self, "mbrt")->ToObject();
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diff changeset
163 ASSERT(rt != NULL);
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diff changeset
164 rdman = xnjsmb_rt_rdman(rt);
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165
576
5a68e2bcea17 Set font styles for stext in Javascript
Thinker K.F. Li <thinker@branda.to>
parents: 574
diff changeset
166 if(sh_get_coord(sh))
5a68e2bcea17 Set font styles for stext in Javascript
Thinker K.F. Li <thinker@branda.to>
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diff changeset
167 rdman_shape_changed(rdman, sh);
570
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Thinker K.F. Li <thinker@branda.to>
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168 }
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169
690
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Thinker K.F. Li <thinker@branda.to>
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170 static void
749
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Thinker K.F. Li <thinker@codemud.net>
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171 xnjsmb_shape_show(shape_t *sh, Handle<Object> self) {
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172 Handle<Object> js_rt;
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173 redraw_man_t *rdman;
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174
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175 js_rt = GET(self, "mbrt")->ToObject();
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Thinker K.F. Li <thinker@codemud.net>
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176 ASSERT(js_rt != NULL);
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177 rdman = xnjsmb_rt_rdman(js_rt);
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178
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179 sh_show(sh);
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diff changeset
180 rdman_shape_changed(rdman, sh);
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Thinker K.F. Li <thinker@codemud.net>
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181 }
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182
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183 static void
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184 xnjsmb_shape_hide(shape_t *sh, Handle<Object> self) {
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diff changeset
185 Handle<Object> js_rt;
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186 redraw_man_t *rdman;
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187
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188 js_rt = GET(self, "mbrt")->ToObject();
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189 ASSERT(js_rt != NULL);
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190 rdman = xnjsmb_rt_rdman(js_rt);
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diff changeset
191
749
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diff changeset
192 sh_hide(sh);
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diff changeset
193 rdman_shape_changed(rdman, sh);
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194 }
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195
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196 static void
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197 xnjsmb_shape_remove(shape_t *sh, Handle<Object> self) {
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diff changeset
198 Handle<Object> js_rt;
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199 redraw_man_t *rdman;
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200 Persistent<Object> *self_hdl;
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diff changeset
201 int r;
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diff changeset
202
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203 self_hdl = (Persistent<Object> *)mb_prop_get(&sh->obj.props,
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diff changeset
204 PROP_JSOBJ);
822
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diff changeset
205
748
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diff changeset
206 SET(*self_hdl, "valid", Boolean::New(0));
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diff changeset
207 WRAP(*self_hdl, NULL);
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diff changeset
208
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diff changeset
209 js_rt = GET(*self_hdl, "mbrt")->ToObject();
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diff changeset
210 ASSERT(js_rt != NULL);
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diff changeset
211 rdman = xnjsmb_rt_rdman(js_rt);
822
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diff changeset
212
748
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
213 rdman_shape_changed(rdman, sh);
56a5e08cd8af Make shapes can be removed from the tree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
214 r = rdman_shape_free(rdman, sh);
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parents: 743
diff changeset
215 if(r != OK)
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diff changeset
216 THROW_noret("Can not free a shape for unknown reason");
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diff changeset
217
766
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Thinker K.F. Li <thinker@codemud.net>
parents: 764
diff changeset
218 self_hdl->Dispose();
748
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diff changeset
219 delete self_hdl;
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
220 }
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diff changeset
221
56a5e08cd8af Make shapes can be removed from the tree
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parents: 743
diff changeset
222 static void
690
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parents: 689
diff changeset
223 xnjsmb_sh_rect_set(shape_t *sh, Handle<Object> self, float x, float y,
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
224 float w, float h, float rx, float ry) {
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
225 Handle<Object> rt;
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parents: 689
diff changeset
226 redraw_man_t *rdman;
822
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Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
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diff changeset
227
690
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diff changeset
228 sh_rect_set(sh, x, y, w, h, rx, ry);
822
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diff changeset
229
690
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
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diff changeset
230 /*
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parents: 689
diff changeset
231 * Mark changed.
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
232 */
86c6ebf1de25 Add JS binding for sh_rect_t
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diff changeset
233 rt = GET(self, "mbrt")->ToObject();
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
234 ASSERT(rt != NULL);
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
235 rdman = xnjsmb_rt_rdman(rt);
822
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parents: 780
diff changeset
236
690
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
237 if(sh_get_coord(sh))
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
238 rdman_shape_changed(rdman, sh);
86c6ebf1de25 Add JS binding for sh_rect_t
Thinker K.F. Li <thinker@branda.to>
parents: 689
diff changeset
239 }
86c6ebf1de25 Add JS binding for sh_rect_t
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parents: 689
diff changeset
240
564
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241 /* @} */
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parents:
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242
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
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diff changeset
243 #include "shapes-inc.h"
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diff changeset
244
687
da12923a789a Migrate paints.cc to use gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 684
diff changeset
245 /*! \defgroup xnjsmb_shapes_wraps Exported wrapper makers for shapes
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
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diff changeset
246 * \ingroup xnjsmb_shapes
822
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parents: 780
diff changeset
247 *
687
da12923a789a Migrate paints.cc to use gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 684
diff changeset
248 * These functions are used by methods of mb_rt to wrap shape objects
da12923a789a Migrate paints.cc to use gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 684
diff changeset
249 * as Javascript objects.
565
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
250 *
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
251 * @{
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
252 */
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
253 Handle<Value>
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
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parents: 675
diff changeset
254 export_xnjsmb_auto_path_new(shape_t *sh) {
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Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
255 return xnjsmb_auto_path_new(sh);
565
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
256 }
c0bc60448913 Constructor for path objects in Javascript domain
Thinker K.F. Li <thinker@branda.to>
parents: 564
diff changeset
257
683
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
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diff changeset
258 Handle<Value>
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
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parents: 675
diff changeset
259 export_xnjsmb_auto_stext_new(shape_t *sh) {
7685c57e29d0 Migrate JS shapes binding to gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
parents: 675
diff changeset
260 return xnjsmb_auto_stext_new(sh);
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261 }
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262
683
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263 Handle<Value>
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264 export_xnjsmb_auto_image_new(shape_t *sh) {
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265 return xnjsmb_auto_image_new(sh);
565
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266 }
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267
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268 Handle<Value>
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269 export_xnjsmb_auto_rect_new(shape_t *sh) {
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270 return xnjsmb_auto_rect_new(sh);
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271 }
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272
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273 /* @} */
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274
687
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275 /*! \defgroup xnjsmb_shapes_cons Constructor of shapes
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276 * \ingroup xnjsmb_shapes
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277 *
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278 * @{
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279 */
683
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280 shape_t *
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281 xnjsmb_path_new(njs_runtime_t *rt, const char *d) {
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282 redraw_man_t *rdman;
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283 shape_t *sh;
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284
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285 rdman = njs_mb_rdman(rt);
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286 sh = rdman_shape_path_new(rdman, d);
767
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287 /* Code generator supposes that callee should free the memory */
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288 free((void *)d);
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289
683
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290 return sh;
574
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291 }
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292
683
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293 shape_t *
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294 xnjsmb_stext_new(njs_runtime_t *rt, const char *txt, float x, float y) {
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295 redraw_man_t *rdman;
576
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296 shape_t *sh;
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297
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298 rdman = njs_mb_rdman(rt);
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299 sh = rdman_shape_stext_new(rdman, txt, x, y);
767
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300 /* Code generator supposes that callee should free the memory */
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301 free((void *)txt);
576
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302
683
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303 return sh;
574
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304 }
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305
683
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306 shape_t *
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307 xnjsmb_image_new(njs_runtime_t *rt, float x, float y, float w, float h) {
641
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308 redraw_man_t *rdman;
683
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309 shape_t *sh;
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310
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311 rdman = njs_mb_rdman(rt);
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312 sh = rdman_shape_image_new(rdman, x, y, w, h);
641
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313
683
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314 return sh;
641
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315 }
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316
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317 shape_t *
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318 xnjsmb_rect_new(njs_runtime_t *rt, float x, float y, float w, float h,
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319 float rx, float ry, const char **err) {
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320 redraw_man_t *rdman;
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321 shape_t *sh;
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322
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323 rdman = njs_mb_rdman(rt);
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324 sh = rdman_shape_rect_new(rdman, x, y, w, h, rx, ry);
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325 if(sh == NULL) {
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326 *err = "Can not create a sh_rect_t";
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327 return NULL;
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328 }
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329
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330 return sh;
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331 }
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332
641
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333 /* @} */
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334
565
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335 /*! \brief Set properties of template of mb_rt.
683
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336 * \ingroup xnjsmb_shapes
565
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337 */
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diff changeset
338 void
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339 xnjsmb_shapes_init_mb_rt_temp(Handle<FunctionTemplate> rt_temp) {
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340 HandleScope scope;
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341 Handle<FunctionTemplate> path_new_temp, stext_new_temp;
641
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342 Handle<FunctionTemplate> image_new_temp;
565
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343 Handle<ObjectTemplate> rt_proto_temp;
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344 static int temp_init_flag = 0;
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345
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diff changeset
346 if(temp_init_flag == 0) {
683
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347 xnjsmb_auto_shape_init();
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diff changeset
348 xnjsmb_auto_path_init();
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diff changeset
349 xnjsmb_auto_stext_init();
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diff changeset
350 xnjsmb_auto_image_init();
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351 xnjsmb_auto_rect_init();
565
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352 temp_init_flag = 1;
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diff changeset
353 }
683
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diff changeset
354 return;
565
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355 }